diff options
Diffstat (limited to 'thirdparty/mbedtls/library/gcm.c')
| -rw-r--r-- | thirdparty/mbedtls/library/gcm.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/thirdparty/mbedtls/library/gcm.c b/thirdparty/mbedtls/library/gcm.c index 2afe5025a0..441ed69a82 100644 --- a/thirdparty/mbedtls/library/gcm.c +++ b/thirdparty/mbedtls/library/gcm.c @@ -111,6 +111,20 @@ } #endif +#ifndef PUT_UINT64_BE +#define PUT_UINT64_BE( n, b, i ) \ +{ \ + ( b )[( i ) ] = (unsigned char) ( ( (n) >> 56 ) & 0xff ); \ + ( b )[( i ) + 1] = (unsigned char) ( ( (n) >> 48 ) & 0xff ); \ + ( b )[( i ) + 2] = (unsigned char) ( ( (n) >> 40 ) & 0xff ); \ + ( b )[( i ) + 3] = (unsigned char) ( ( (n) >> 32 ) & 0xff ); \ + ( b )[( i ) + 4] = (unsigned char) ( ( (n) >> 24 ) & 0xff ); \ + ( b )[( i ) + 5] = (unsigned char) ( ( (n) >> 16 ) & 0xff ); \ + ( b )[( i ) + 6] = (unsigned char) ( ( (n) >> 8 ) & 0xff ); \ + ( b )[( i ) + 7] = (unsigned char) ( ( (n) ) & 0xff ); \ +} +#endif + /* * Initialize a context */ @@ -309,6 +323,7 @@ int mbedtls_gcm_starts( mbedtls_gcm_context *ctx, size_t i; const unsigned char *p; size_t use_len, olen = 0; + uint64_t iv_bits; GCM_VALIDATE_RET( ctx != NULL ); GCM_VALIDATE_RET( iv != NULL ); @@ -338,7 +353,8 @@ int mbedtls_gcm_starts( mbedtls_gcm_context *ctx, else { memset( work_buf, 0x00, 16 ); - PUT_UINT32_BE( iv_len * 8, work_buf, 12 ); + iv_bits = (uint64_t)iv_len * 8; + PUT_UINT64_BE( iv_bits, work_buf, 8 ); p = iv; while( iv_len > 0 ) |